POSITION ESTIMATION DEVICE, POSITION ESTIMATION METHOD, AND INTEGRATED CIRCUIT

Title:

POSITION ESTIMATION DEVICE, POSITION ESTIMATION METHOD, AND INTEGRATED CIRCUIT

Document Type and Number:

WIPO Patent Application WO/2013/073119

Kind Code:

A1

Abstract:

This position estimation device comprises: a position estimation unit (106) that estimates the present location coordinates for the position estimation device (10); an instructed direction detection unit (1091) that detects an instructed direction, being a direction instructed by a user using the position estimation device (10); an instruction target object detection unit (1092) that detects an instruction target object instructed by the user, on the basis of the instructed direction detected by the instructed direction detection unit (1091); an uneven distribution calculation unit (110) that specifies as an uneven distribution area, at a prescribed time immediately prior to the instruction target object being detected by the instruction target object detection unit (1092), an area wherein positions indicated by the instructed direction detected by the instructed direction detection unit (1091) were present for at least a threshold time period and wherein the instruction target object is not present, and calculates an uneven distribution direction, being a direction relative to the uneven distribution area specified from the position of the position estimation device (10) at the prescribed time; and a position correction unit (111) that corrects the present location coordinates, using the calculated uneven distribution direction.

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Inventors:

YAMADA KAZUNORI
OSHIMA MITSUAKI

Application Number:

PCT/JP2012/006915

Publication Date:

May 23, 2013

Filing Date:

October 29, 2012

Export Citation:

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Assignee:

PANASONIC CORP (JP)

International Classes:

G01C21/00; G08G1/005; H04M1/00; H04Q9/00

Foreign References:

JP2010273134A	2010-12-02
JP2006003448A	2006-01-05
JP2000298034A	2000-10-24

Attorney, Agent or Firm:

NII, Hiromori (JP)
New house Extensive 守 (JP)

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Claims:

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